Home / 12,954.60-19,428.93-6,290.85

Finding the Fourth Proportional to 12,954.60, 19,428.93 and 6,290.85

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Solution

The fourth proportional to 12,954.60, 19,428.93 and 6,290.85 is: 9,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.60 : 19,428.93 = 6,290.85 : x
  2. Step 2: Convert to fraction form
    12,954.60/19,428.93 = 6,290.85/x
  3. Step 3: Cross multiply
    12,954.60x = 19,428.93 × 6,290.85
  4. Step 4: Simplify right side
    12,954.60x = 122,224,484.29
  5. Step 5: Solve for x
    x = 122,224,484.29/12,954.60
  6. Step 6: Final answer
    x = 9,434.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.